authelia/example/compose/duo-api/duo_api.js

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/*
* This is a script to fake the Duo API for push notifications.
*
* Access is allowed by default but one can change the behavior at runtime
* by POSTing to /allow or /deny. Then the /auth/v2/auth endpoint will act
* accordingly.
*/
const express = require("express");
const app = express();
const port = 3000;
app.set('trust proxy', true);
let permission = 'allow';
app.post('/allow', (req, res) => {
permission = 'allow';
res.send('ALLOWED');
});
app.post('/deny', (req, res) => {
permission = 'deny';
res.send('DENIED');
});
app.post('/auth/v2/auth', (req, res) => {
let response;
if (permission == 'allow') {
response = {
response: {
result: 'allow',
status: 'allow',
status_msg: 'The user allowed access.',
},
stat: 'OK',
};
} else {
response = {
response: {
result: 'deny',
status: 'deny',
status_msg: 'The user denied access.',
},
stat: 'OK',
};
}
setTimeout(() => res.json(response), 2000);
});
app.listen(port, () => console.log(`Duo API listening on port ${port}!`));
// The signals we want to handle
// NOTE: although it is tempting, the SIGKILL signal (9) cannot be intercepted and handled
var signals = {
'SIGHUP': 1,
'SIGINT': 2,
'SIGTERM': 15
};
// Create a listener for each of the signals that we want to handle
Object.keys(signals).forEach((signal) => {
process.on(signal, () => {
console.log(`process received a ${signal} signal`);
process.exit(128 + signals[signal]);
});
});